Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 428
... mode no . 3 , and mode no . 5 - 8 is marginal and it can be concluded that these modes can be neglected . For the impact condition considered in Fig . 9 the maximum collision force , maximum base shear and maximum overturning moment all ...
... mode no . 3 , and mode no . 5 - 8 is marginal and it can be concluded that these modes can be neglected . For the impact condition considered in Fig . 9 the maximum collision force , maximum base shear and maximum overturning moment all ...
Page 675
... modes that are depicted ( 4 & 5 ) represent modes where the structure pivots about a point well above the base ; the periods in this mode were around 5 seconds . ( Mode 3 was a torsional- type mode that did not contribute to wave ...
... modes that are depicted ( 4 & 5 ) represent modes where the structure pivots about a point well above the base ; the periods in this mode were around 5 seconds . ( Mode 3 was a torsional- type mode that did not contribute to wave ...
Page 677
... modes combined with the first wave harmonic , " 2 + 1 " ( comparable to the preceding section closed - form expressions ) , improved on the approximation of only one mode ( " 1 + 1 " or " 1 + 5 " ) with wave harmonics . Adding more modes ...
... modes combined with the first wave harmonic , " 2 + 1 " ( comparable to the preceding section closed - form expressions ) , improved on the approximation of only one mode ( " 1 + 1 " or " 1 + 5 " ) with wave harmonics . Adding more modes ...
Contents
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
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added mass amplitude analysis approximately average body boundary condition cable calculated circular cylinder components computed correlation density diffraction displacement distribution drag coefficient dynamic effects Ekofisk Engineering experimental field Figure finite element floating flow fluid free surface frequency domain function Green function horizontal hydrodynamic hydrodynamic forces incident wave integral equation irregular waves length lift force linear load low-frequency matrix maximum measured method mode mode shapes mooring motion natural frequency nonlinear obtained Ocean Offshore Structures OMAE open boundary oscillation parameters phase velocity platform predicted present pressure problem random waves ratio response Reynolds number riser Sarpkaya seabed second-order ship simulation small forward solitary wave solution spectral spectrum stiffness surge tank tanker tension tether theory transverse values vector velocity potential vertical vessel vibration vortex vortices water depth wave drift damping wave forces wave height wave profile